lecture3_6pp - EE359 Lecture 3 Outline Lecture 2 Review...

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1 EE359 – Lecture 3 Outline Announcements First disc. Section Tues. 10/4, 6-7, Hewlett 103 HW posted, due Thurs 10/6 at 5pm. Nima OHs: Tues. 7-9PM in Packard 109; Wed. 7-9PM in Packard 104 Nima Email Ohs: Wed. 10-11PM - Thurs 10-11AM Log Normal Shadowing Combined Path Loss and Shadowing Cell Coverage Area Model Parameters from Measurements Lecture 2 Review Ray Tracing Models Free Space Model Power falloff with distance proportional to d -2 Two Ray Model Power falloff with distance proportional to d -4 General Ray Tracing Used for site-specific models Empirical Models Simplified Model: P r =P t K[d 0 /d] g , 2g8. Captures main characteristics of path loss Shadowing Models attenuation from obstructions Random due to random # and type of obstructions Typically follows a log-normal distribution dB value of power is normally distributed m =0 (mean captured in path loss), 4< s <12 (empirical)
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This note was uploaded on 10/16/2011 for the course ELECTRICAL EE251202 taught by Professor Rejaei during the Spring '10 term at Sharif University of Technology.

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lecture3_6pp - EE359 Lecture 3 Outline Lecture 2 Review...

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